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[ICMP]: Simplify ICMP control socket creation.
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Replace sock_create_kern with inet_ctl_sock_create.

Signed-off-by: Denis V. Lunev <[email protected]>
Acked-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Denis V. Lunev authored and davem330 committed Apr 3, 2008
1 parent 5677242 commit c1e9894
Showing 1 changed file with 7 additions and 18 deletions.
25 changes: 7 additions & 18 deletions net/ipv4/icmp.c
Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,7 @@
#include <asm/uaccess.h>
#include <net/checksum.h>
#include <net/xfrm.h>
#include <net/inet_common.h>

/*
* Build xmit assembly blocks
Expand Down Expand Up @@ -1136,7 +1137,7 @@ static void __net_exit icmp_sk_exit(struct net *net)
int i;

for_each_possible_cpu(i)
sk_release_kernel(net->ipv4.icmp_sk[i]);
inet_ctl_sock_destroy(net->ipv4.icmp_sk[i]);
kfree(net->ipv4.icmp_sk);
net->ipv4.icmp_sk = NULL;
}
Expand All @@ -1152,33 +1153,21 @@ int __net_init icmp_sk_init(struct net *net)

for_each_possible_cpu(i) {
struct sock *sk;
struct socket *sock;
struct inet_sock *inet;

err = sock_create_kern(PF_INET, SOCK_RAW, IPPROTO_ICMP, &sock);
err = inet_ctl_sock_create(&sk, PF_INET,
SOCK_RAW, IPPROTO_ICMP, net);
if (err < 0)
goto fail;

net->ipv4.icmp_sk[i] = sk = sock->sk;
sk_change_net(sk, net);

sk->sk_allocation = GFP_ATOMIC;
net->ipv4.icmp_sk[i] = sk;

/* Enough space for 2 64K ICMP packets, including
* sk_buff struct overhead.
*/
sk->sk_sndbuf =
(2 * ((64 * 1024) + sizeof(struct sk_buff)));

inet = inet_sk(sk);
inet->uc_ttl = -1;
inet->pmtudisc = IP_PMTUDISC_DONT;

/* Unhash it so that IP input processing does not even
* see it, we do not wish this socket to see incoming
* packets.
*/
sk->sk_prot->unhash(sk);
inet_sk(sk)->pmtudisc = IP_PMTUDISC_DONT;
}

/* Control parameters for ECHO replies. */
Expand Down Expand Up @@ -1208,7 +1197,7 @@ int __net_init icmp_sk_init(struct net *net)

fail:
for_each_possible_cpu(i)
sk_release_kernel(net->ipv4.icmp_sk[i]);
inet_ctl_sock_destroy(net->ipv4.icmp_sk[i]);
kfree(net->ipv4.icmp_sk);
return err;
}
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